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Manual de usuario Roberts Gorden, modelo UHD[X][S][R] 250

Fabricar: Roberts Gorden
Tamaño del archivo: 2.09 mb
Nombre del archivo:
Idioma del manual:en
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Resumen del manual


This appliance must be connected to a properly grounded electrical source. Failure to follow these instructions can result in death or electrical shock. All heater models require constant 120 V/1O/60 Hz power supply. Check heater rating plate for electrical rating for proper circuit sizing. For servicing, a disconnect switch of proper electrical rating should be installed in the vicinity of the heater. All heaters are equipped with thermostat connections suitable to power a 24 V thermostat. 9.2 Low Voltage Thermostat with One Heater Heater must be wired and electrically grounded in accordance with local codes. In the absence of local codes in accordance with: United States: refer to National Electrical Code® NFPA 70 - latest revision Canada: refer to Canadian Electrical Code CSA C22.1 Part I - latest revision. 9.1 Positioning Thermostats A room thermostat should be mounted on a vibration-free wall or column at a height of approximately 5' (1.5 m) from the floor to measure the ambient temperature. It should be clear of both cold drafts and the direct path of warm air from the heater. Avoid mounting thermostat on outside walls or in areas directly exposed to radiant heat or sunlight. Install wall tag in a visible location near thermostat. See Page 2, Section 2.1 for wall tag details. UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 9.3 Internal Wiring Diagram IMPORTANT: For field wiring into service junction box, or if any of the original wire supplied with the heater must be replaced, it must be replaced with wiring material having a temperature rating of at least 105 °C (221 °F) and 600 V. For supply connections, use No. 14 AWG or larger wires. BLUE BLACK ORANGE ORANGE YELLOW BROWN WHITE WHITE L2 L1 ORANGE ORANGE BLACK BLACK GREEN WHITE BLUE BLACK GREEN BLUE GREEN YELLOW 24 VAC HOTGROUND FLAME BLACK BLACK 6 3 4 2 1 4 5 3 1 SENSE ELECTRODE LIMIT SWITCH PRESSURE SWITCH GAS VALVE IGNITION MODULE TRANSFORMER LIMIT SWITCH (UHD 300, 350, 400 ONLY) MANUAL RESET LIMIT SWITCH (RESIDENTAL UNITS ONLY) THERMOSTAT INPUT: FIELD SUPPLIED R = 24 VAC TO THERMOSTAT (RED) G = MANUAL FAN INPUT FROM THERMOSTAT (GREEN) W = HEAT DEMAND INPUT FROM THERMOSTAT (WHITE) C = COMMON GROUND TO THERMOSTAT FLUE BLOWER R G W C ACC L1 CMB BLOWER 5 SECTION 9: WIRING 9.4 Ladder Wiring Diagram IMPORTANT: For field wiring into service junction box, or if any of the original wire supplied with the heater must be replaced, it must be replaced with wiring material having a temperature rating of at least 105 °C (221 °F) and 600 V. For supply connections, use No. 14 AWG or larger wires. FLAME SENSOR PRESSURE SWITCH CONNECTION 6 3 45 2 1 120 VAC TRANSFORMER FLUE BLOWER GAS VALVE ELECTRODE LIMIT SWITCH LIMIT SWITCH (UHD 300, 350, 400 ONLY) MANUAL RESET LIMIT SWITCH (UHD 75 - 125 ONLY) FLUE BLOWER UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 20 9.5 Electrical Connection to the Heater IMPORTANT: Junction box is not provided with heater. Conduit can also be attached directly to heater with wire junction made within the heater cabinet. ! ! SECTION 10: OPERATION AND MAINTENANCE SECTION 10: OPERATION AND MAINTENANCE WARNING Explosion Hazard Installation, service and annual inspection must be done by a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier. Turn off gas and electrical supplies before performing service or maintenance. Failure to follow these instructions can result in death, injury or property damage. Read this manual carefully before installation, operation, or service of this equipment. All components are accessed via the door secured by four sheet metal screws. Opening the door exposes live electrical connections and hot components. 10.1 Pre-Start-Up Checks All pre-start-up checks must be carried out before lighting the heater. Ensure that the heater and all controls are suitable for the gas, pressure and electrical supply to which they are to be connected. 10.1.1 Electrical Checks 1. Check that all site wiring is connected in accordance with the appropriate wiring diagram on Page 18, Section 9.3. 10.1.2 Gas Supply All aspects of the gas installation including the gas meter must be inspected, tested for gas tightness and purged in accordance with local and national codes. Ensure that the air is fully purged from the heater inlet pipe up to the main gas valve inlet test nipple. 10.1.3 Mechanical Checks 1. Check that the flue (and air intake for separated combustion units) is installed in accordance with these instructions and local regulations. 10.2 Begin Start-Up 10.2.1 Before Operating the Heater To ensure that all the controls are in safe working order, operate the heater for the first time with the isolating gas valve turned off and power supply turned on. 1. Turn off the isolating gas valve. 2. Turn up the thermostat above room temperature. The automatic ignition sequence will now begin as described o...

Otros modelos de este manual:
Eléctrico - UHD[X][S][R] 150 (2.09 mb)
Eléctrico - UHD[X][S][R] 175 (2.09 mb)
Eléctrico - UHD[X][S][R] 200 (2.09 mb)
Eléctrico - UHD[X][S][R] 225 (2.09 mb)

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